Apple Mac OS X WebKit component private key security bypass

macosx-webkit-security-bypass (38485) The risk level is classified as LowLow Risk

Description:

The Apple Mac OS X WebKit component could allow a local attacker to gain unauthorized access to private keys, caused by an insecure default configuration of Safari. By default, any private key added to the keychain by Safari is accessible via any other application. An attacker could exploit this vulnerability to bypass security restrictions and gain access to private key data using an unauthorized application.

Platforms Affected:

  • Apple, Mac OS X 10.4
  • Apple, Mac OS X 10.4.1
  • Apple, Mac OS X 10.4.10
  • Apple, Mac OS X 10.4.2
  • Apple, Mac OS X 10.4.3
  • Apple, Mac OS X 10.4.4
  • Apple, Mac OS X 10.4.5
  • Apple, Mac OS X 10.4.6
  • Apple, Mac OS X 10.4.7
  • Apple, Mac OS X 10.4.8
  • Apple, Mac OS X 10.4.9
  • Apple, Mac OS X Server 10.4
  • Apple, Mac OS X Server 10.4.1
  • Apple, Mac OS X Server 10.4.10
  • Apple, Mac OS X Server 10.4.2
  • Apple, Mac OS X Server 10.4.3
  • Apple, Mac OS X Server 10.4.4
  • Apple, Mac OS X Server 10.4.5
  • Apple, Mac OS X Server 10.4.6
  • Apple, Mac OS X Server 10.4.7
  • Apple, Mac OS X Server 10.4.8
  • Apple, Mac OS X Server 10.4.9

Remedy:

Apply Apple Security Update 2007-008 or upgrade to the latest version of Mac OS X (10.4.11 or later), available from the Apple Web site. See References.

Consequences:

Bypass Security

References:

  • Apple Web site, About the security content of Mac OS X 10.4.11 and Security Update 2007-008 at http://docs.info.apple.com/article.html?artnum=307041.
  • BID-26444: Apple Mac OS X v10.4.11 2007-008 Multiple Security Vulnerabilities
  • CVE-2007-4699: The default configuration of Safari in Apple Mac OS X 10.4 through 10.4.10 adds a private key to the keychain with permissions that allow other applications to access the key without warning the user, which might allow other applications to bypass intended access restrictions.
  • FrSIRT/ADV-2007-3868: Apple Mac OS X Command Execution and Denial of Service Vulnerabilities
  • SA27643: Apple Mac OS X Security Update Fixes Multiple Vulnerabilities
  • SECTRACK ID: 1018948: Mac OS X WebCore/WebKit Bugs Let Remote Users Execute Arbitrary Code

Reported:

Nov 14, 2007

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